Micrel, Inc.
Typical Characteristics
V DD = 3.3V, T A = +25 ° C, BER measured with PN9 sequence, unless otherwise noted.
MICRF219A
6.5
Current vs. Receiver Frequency
7.5
Current vs. Supply Voltage
f RF = 433.92MHz
5.0
Current vs. Supply Voltage
f RF = 315MHz
6.0
5.5
5.0
4.5
4.0
3.5
7.0
6.5
6.0
5.5
5.0
4.5
+105oC
+25oC
-40oC
4.5
4.0
3.5
+105oC
+25oC
-40oC
300
325
350
375
400
425
450
3.0
3.1
3.2
3.3
3.4
3.5
3.6
3.0
3.1
3.2
3.3
3.4
3.5
3.6
2.0
1.8
RECEIVER FREQUENCY (MHz)
CAGC Voltage vs. Input Power
+105oC
2.5
2.0
SUPPLY VOLTAGE (V)
RSSI vs. Input Power
-40oC
10
SUPPLY VOLTAGE (V)
BER vs. Input Power
D[4:3] = 00
433.92MHz
1.6
1.4
-40oC
1.5
1.0
+25oC
+105oC
1
315MHz
`
+25oC
1.2
0.5
PN9 SEQUENCE @ 1kbps
1.0
0.0
0.1
-125
-100
-75
-50
-25
0
-125
-100
-75
-50
-25
0
-116
-115
-114
-113
-112
-111
-110
-98
-100
-102
-104
INPUT POWER (dBm)
Sensitivity at 1% BER
D[4:3] = 00
-100
-102
-104
INPUT POWER (dBm)
Sensitivity at 1% BER
D[4:3] = 01
-98
-100
-102
INPUT POWER (dBm)
Sensitivity at 1% BER
D[4:3] = 10
-106
315MHz
-106
315MHz
-104
315MHz
-108
-108
-106
-110
433.92MHz
-110
433.92MHz
-108
433.92MHz
-112
-114
-116
-112
-114
-110
-112
0
2
4
6
8
10
12
0
3
6
9
12
15
18
21
0
10
20
30
40
July 2011
BIT RATE (kbps)
BIT RATE (kbps)
6
BIT RATE (kbps)
M9999-071811-A
RadioTech@micrel.com or (408) 944-0800
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